GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1945764  Size: SH
  1. If equipped with air conditioning, remove the drive belt. Refer to Drive Belt Replacement .
  2. If equipped with air conditioning, remove the compressor.
  3. • Remove the 3 bolts (1).
    • Set aside.
  4. Place a drip pan underneath.

  5. Object Number: 1937101  Size: SH
  6. Remove the oil pressure switch/sensor.
  7. • Disconnect the wiring harness connector.
    • Push back the heat shield.
    • Remove the oil pressure switch/sensor.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.

  1. Install the oil pressure switch/sensor.
  2. Tighten
    Tighten the oil pressure switch/sensor to 20 N·m (15 lb ft).

    • Install the wiring harness plug.
    • Install the heat shield.
  3. Vehicles with air conditioning--Attach the compressor.
  4. Tighten
    Tighten the 3 bolts to 22 N·m (16 lb ft).

  5. If equipped with air conditioning, attach the drive belt. Refer to Drive Belt Replacement .
  6. Lower the vehicle by its full height.
  7. Inspect the engine oil level and correct if necessary.
  8. Close the hood.